Nintendo 3DS users will soon have another way to extend their system's notoriously limited battery life, thanks to Hyperkin's new 3DS Powerplus. Slated for release this summer, the 2.2-ounce accessory slips on to the back of the console without obstructing the 3DS' cartridge port, SD card and game controls, while adding an extra 1800mAh to the device's standard 1300mAh battery. The Powerplus also features an enhanced grip, as well as an LED indicator that can give you an idea of how much gas you've got left in the tank. Hyperkin says its $19.99 appurtenance will more than double your 3DS' battery life, but, as we learned from Nyko, seeing is believing. Head past the break for an extra image of the Powerplus, along with a full PR.